Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
sensors developed » less developed
information part » information pt, information portal, information portals
r information » hr information, der information, fur information
technology r » technology 1, technology 3, technology 4
cost sensors » iot sensors, soft sensors, gas sensors
i mass » ii mass, _ mass, a mass

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology r information part i mass communication cost sensors developed _ afrique.*.